# -*- coding: utf-8 -*-：
import pymysql
import pandas as sql
con = pymysql.connect(host='10.129.22.113', user='root', passwd='root', db='dbsheep', charset='utf8')
data = sql.read_sql('select  device_num ,acquisition_time ,LON ,LAT  from demopoint_traj', con)
print data.head()

